Archive for the ‘winter hardiness’ Category

Mexican Bush Sage

Mexican bush sage (Salvia leucantha), aka velvet sage, is a perennial that lights up the late summer / fall garden (USDA hardiness zone 7b-10). Indigenous to Central America and Mexico, it can be grown as an annual that grows to about 3-4 feet tall. In the U.S., bush sage is only hardy from the lower […]

12 Plants With Silver Foliage

Silver King Artemisia (Artemisia ludoviciana ‘Silver King’) is an aggressive form with bushy, upright patch of fragrant silvery foliage and loose sprays of grey flowers in midsummer. Prune back hard after flowering to rejuvenate foliage. Deer and drought resistant. (z 3-7). Silver Mound Artemisia (Artemisia schmidtiana ‘Silver Mound’) – soft feathery leaves grow into compact, […]

Elephant Ears In Motion

Elephant ears (Colocasia esculenta) and their aroid cousins have become commonplace in not only hot, humid southern gardens, as well in temperate landscapes. Gardeners grow them in large containers and overwinter them indoors in a non-freezing environ. Also, my neighbors in zone 6 blanket in-ground plantings with several inches of loosely packed leaves overwinter. Colocasia […]

Mallow Plant Breeders Developing Resistance To Hibiscus Sawfly

Mallows, hardy hibiscus, and perennial hibiscus (Hibiscus moscheutos) are vigorous shrub-like growers on sturdy 4-5 feet tall (and 2-4 feet wide) stems. The species is native to wetland areas from Ontario and Massachusetts south to Ohio, Indiana, Alabama and Florida. Huge colorful 4-6(9) inch wide flowers have five overlapping petals with reddish-purple to dark crimson […]

Growing Shasta Daisies

Shasta daisies (Leucanthemum x superbum) is a European native that has naturalized in most areas of North America (zones 5-9). Truly low care perennials, Shasta daisies come back every spring and bloom reliably from early summer into early fall (if deadheaded). Some varieties, ‘Becky’ for example, are multi-year top performers. Shasta daisies tend to form clumps, […]

Summer Blooming Amur Maackia

Amur maackia (Maackia) is a small deciduous tree with a broad, rounded canopy. Typically, it grows in cultivation at a slow-to-moderate rate to a height of 20-30 feet (to 60 feet in wild). This compact growing tree is an ideal fit in smaller landscapes. A botanical member of the Pea family (Fabaceae), it grows in […]

Black Snakeroot (Bugbanes) For Woodland Beauty

The bugbanes (Actae spp.) represent a varied botanical genus. In my opinion, the most attractive and easy to grow perennial form is black cohosh or snakeroot (Actaea racemosa), formerly (Cimicifuga racemosa). It is a tall growing U.S woodland native (USDA hardiness zones 4 – 8). Bugbanes are beloved for their tall architectural floral spikes. Small, […]

Three Cool Sedges (Carex)

Over the past decade Japanese Sedges (Carex spp.) have become popular in U.S. gardens. Uncertain which ones to plant – here are three that are easy to grow and require little maintenance. The following three clump-forming evergreen Japanese sedges flaunt arching, green and white variegated grass-like foliage. Tiny insignificant, brown flower spikes arise on long stems […]

Little Leaf Linden

Littleleaf linden Littleleaf linden (Tilia cordata) is highly praised as an excellent urban shade tree. The species reaches 60 to 70 feet tall and spread of 30 to 40 feet. The foliage tolerates several urban pollutants. This durable tree is often utilized as a street and park tree because of its environmental adaptability. Two year […]

Ashe Magnolia

Ashe magnolia (Magnolia macrophylla subsp. Ashei) is a small 10-20 feet tree with enormous leaf and flower sizes (zone (5)6-9). Anindividual white flower measures 6- 12 inches across with a purple blotch at the base of 3 inner petal-like tepals. Ashe magnolia blooms in late May – early June in Tennessee. Many of the white […]